UMOD and autosomal dominant medullary cystic kidney disease with or without hyperuricemia: A previous study comparing the severity of two Umod mutant mice (p.Cys93Phe and p.Ala227Thr) obtained by ENU random mutagenesis evidenced differences in uromodulin maturation, although corresponding mutations are not reported in human ADTKD‐UMOD (Kemter et al, 2013).